package com.cloud.gomall.product.exception;

import com.cloud.common.exception.BizCodeEnums;
import com.cloud.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

@Slf4j
@RestControllerAdvice(basePackages = "com.cloud.gomall.product.controller")
public class ExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleVaildException(MethodArgumentNotValidException e){
        log.error("数据校验出现问题: {}, 异常类型: {}", e.getMessage(), e.getClass());
        BindingResult bindingResult = e.getBindingResult();

        Map<String, String> errorMap = new HashMap<>();
        bindingResult.getFieldErrors().forEach((fieldError) -> {
            errorMap.put(fieldError.getField(), fieldError.getDefaultMessage());
        });
        return R.error(BizCodeEnums.VAILD_EXCEPTION.getCode(), BizCodeEnums.VAILD_EXCEPTION.getMsg()).put("data", errorMap);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){
        log.error("异常: ",throwable);
        return R.error(BizCodeEnums.UNKNOW_EXCEPRION.getCode(), BizCodeEnums.UNKNOW_EXCEPRION.getMsg());
    }
}
